CN203430712U - Protection device of wind energy vertical drive system - Google Patents
Protection device of wind energy vertical drive system Download PDFInfo
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- CN203430712U CN203430712U CN201320372635.5U CN201320372635U CN203430712U CN 203430712 U CN203430712 U CN 203430712U CN 201320372635 U CN201320372635 U CN 201320372635U CN 203430712 U CN203430712 U CN 203430712U
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- Prior art keywords
- keyway
- transmission shaft
- wind wheel
- wind
- helical gear
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Abstract
The utility model discloses a protection device of a wind energy vertical drive system. Due to the fact that a wind wheel rotating shaft under varied wind direction rotates forward or backward, and a cylindrical spiral gear is in transmission to generate axial force and spring storage force so that a limiting-velocity protection mechanism of a transmission mechanism under the varied wind directions can be achieved. According to the protection device of the wind energy vertical drive system, a working unit can stop working in times of too high wind speed under the varied wind directions, damage to the working unit due to overload working can be avoided, and the protection device of the wind energy vertical drive system can be applied to protection of the wind energy drive system.
Description
Technical field
The utility model belongs to blower fan technical field, is specifically related to a kind of driving system overload protector.
Background technique
From fossil fuel to renewable energy sources, changing and avoiding climatic change contest out of control, wind energy has become one of use renewable energy sources the most extensive and with fastest developing speed, is also the renewable resources most in the recent period with the prospect of large-scale developing and utilizing.Running of wind generating set environment is severe, and along with Global Wind-energy is fast-developing, running of wind generating set quantity constantly increases, and all kinds of wind-powered electricity generation unit failures are constantly appearance also, and an urgent demand takes safety measures to wind power technology.Existing wind-driven generator method for limiting speed change wind blade wind-exposuring area speed limit and electromagnetism speed limit etc.; as 200910137035.9; invent a kind of variable plane fan blade combination, there is wind motor and power generation system that this fan blade combines; can be according to the area of the intensity adjustment dodge gate of wind-force, thus a whole set of wind generating unit protected.And for example 200920076009.5, this invention realizes the automatic control to the rotating speed of wind-driven generator, output voltage, makes it all the time in safe and reliable working state.Prior art can only be worked under a kind of condition of wind direction, cannot realize under various wind directions and can move, and cannot realize work unit and quit work when wind speed is excessive.
Model utility content
The purpose of this utility model is to provide a kind of wind energy vertical-transmission system protection device, and make can realize work unit and quit work when wind speed is excessive under various wind directions, thus the damage of avoiding work unit to cause due to overload work.
In order to solve above technical problem; the utility model utilization is in the sense of rotation of changeable wind direction leeward wheel shaft or be rotated in the forward or counterrotating, by slant gear transmission, produces axial force and spring energy storage is realized the speed-limiting protection mechanism at changeable wind direction lower transmission mechanism.The concrete technological scheme that the utility model adopts is as follows:
A kind of wind energy vertical-transmission system protection device, comprise wind wheel (1), working machine transmission shaft (6), keyway A(9 with wind wheel rotatingshaft (2)), casing (15), it is characterized in that: also comprise large helical gear (3), wind wheel transmission shaft (4), coupling arrangement (5), elastic supporting member for supporting optical member (7), boss (8), keyway A(9), round key A(10), square keyway C(11), square keyway D(12), keyway B(13), round key B(14); The bevel pinion (16) being assemblied on wind wheel rotatingshaft (2) is intermeshing with the large helical gear (3) being assemblied on wind wheel transmission shaft (4); By wind wheel rotatingshaft (2), drive bevel pinion (16) to rotate, bevel pinion (16) drives large helical gear (3) to turn, thereby drives wind wheel transmission shaft (4) to rotate; In the upper one end away from large helical gear (3) of wind wheel transmission shaft (4), be provided with keyway A(9), round key A(10) with keyway A(9) coordinate, and pass through keyway A(9) connect with wind wheel transmission shaft (4); Casing (15) is fixed on ground, with the working machine (18) of working machine transmission shaft (6), by elastic supporting member for supporting optical member (7), connects with casing (15); At working machine transmission shaft (6), away from the one end being connected with elastic supporting member for supporting optical member (7), offer keyway B(13), round key B(14) with keyway B(13) coordinate; By with connect working machine transmission shaft (6) and connect, one end of coupling arrangement (5) offers and key A(10) the square keyway C(11 that matches), the other end offers and round key B(14) the keyway D(12 that matches); Wind wheel transmission shaft (4) and working machine transmission device (6) can be vertically at square keyway C(11) and square keyway D(12) in slip; It is upper that boss (8) is positioned at wind wheel transmission shaft (4), in large helical gear (3) and keyway A(9) between; It is upper that L-type support (17) one end is fixed on casing (15), and the other end is suspended from position between boss (8) and large helical gear (3), forms protective gear, can be not excessive to top offset to limit wind wheel transmission shaft (4).
Described large helical gear (3) is big column helical gear or large circular cone helical gear; Described bevel pinion (16) is small column helical gear or conicle helical gear.
Described elastic supporting member for supporting optical member (7) can be spring (7).
Coupling arrangement (5) is fixed block, and with two square keyways, round key A(10 is installed in the keyway (9) of wind wheel transmission shaft (4)), round key A(10) insert the square keyway C(11 of coupling arrangement (5)), round key B(14 is installed in working machine transmission shaft (6)), round key B(14) insert the square keyway D(12 of coupling arrangement (5)), like this, wind wheel transmission shaft (4) is driven and is connected working machine transmission device (6) work by coupling arrangement (5).The slant gear transmission of vertical ground of the present utility model by wind wheel running shaft be rotated in the forward or counterrotating is converted into axial force F a up or down perpendicular to the ground on wind wheel transmission shaft 4.F
tperipheral force for wind wheel rotation generation; T is that wind wheel produces moment of torsion.According to the parameter of wind wheel used and rotating speed, can calculate the moment of torsion of wind wheel.
F
a＝F
ttanβ
When windless condition wind wheel is static, its stress of whole system as shown in Figure 2.Wind wheel transmission shaft 4 self gravitations are G
1, working machine transmission shaft 6 self gravitations are G
3.Stressed the F=k*L '=G of spring 7
1+ G
3, k is the elasticity coefficient of spring 7, selects suitable spring 7 to make k*L=G1.The wind speed V that set basis is limited
windmax calculates corresponding F
amax, and regulate the gravity G that connects wind wheel transmission shaft
1make F
amax=G
1.
Work as F
axledirection is vertically upward time, if F
axle>F
axle max, total stress value of wind wheel transmission shaft 4 is F
axle-G1, and and F
axledirection is identical, vertically upward, thereby cause wind wheel transmission shaft 4 upward slidings, last round key A10 skids off the square keyway A11 in coupling arrangement 5, disconnects and connecting, working machine quits work, and realizes protection mechanism.
Work as F
axledirection is vertically downward time, and spring 7 receives that compression moves downward with the transmission device 6 of working machine mounted thereto downwards.The power that spring is received is: F
spring=k* (L '+△ L)=G
1+ G
3+f
axle, △ L is the distance that the transmission device 6 of spring 7 and working machine moves down.Work as F
axle=F
axle maxtime: △ L=L, the round key B14 on the transmission device 6 of working machine just in time skids off the square keyway B12 in coupling arrangement 5, disconnects and connecting, and working machine quits work, and realizes protection mechanism.
The utlity model has beneficial effect.The slant gear transmission of the utility model by a vertical ground by wind wheel running shaft be rotated in the forward or counterrotating is converted into the upper axial force up or down perpendicular to the ground of wind wheel transmission shaft (4).When slant gear transmission makes wind wheel transmission shaft (4) produce axial force upwards; when this axial force is greater than wind wheel transmission shaft (4) self gravitation; wind wheel transmission shaft (4) self is subject to making a concerted effort and move up vertically upward; the round key A(10 of last wind wheel transmission shaft (4)) skid off the square keyway A11 in coupling arrangement (5); whole transmission joint disconnects; working machine quits work, and realizes protection mechanism.And at a boss of the upper installation of wind wheel transmission shaft (4), to prevent that wind wheel transmission shaft 4 is because of the excessive casing that flies out (15) that moves up.The utility model protective action successful, simple in structure, and do not affect the normal operation of wind power generating set.
Accompanying drawing explanation
Fig. 1 is schematic top plan view of the present utility model.
Fig. 2 is protective gear schematic diagram of the present invention.
In figure: 1-wind wheel; 2-wind wheel rotatingshaft; 3-large helical gear; 4-wind wheel transmission shaft; 5-coupling arrangement; 6-working machine transmission shaft; 7-elastic supporting member for supporting optical member; 8-boss; 9-keyway A; 10-round key A; The square keyway C of 11-; The square keyway D of 12-; 13-keyway B; 14-round key B; 15-casing; 16-bevel pinion; 17-L type support; 18-working machine.
Embodiment
As shown in Figure 1, wind energy vertical-transmission system protection device described in the utility model comprises wind wheel 1; Wind wheel rotatingshaft 2; Big column helical gear 3; Wind wheel transmission shaft 4; Coupling arrangement 5; Working machine transmission shaft 6; Elastic support 7; Boss 8; Keyway A9; Round key A10; Square keyway C11; Square keyway D12; Keyway 13B; Round key B14; Casing 15; Small column helical gear 16; L-type support 17; Working machine 18.On the transmission device that connects wind wheel, working machine, add keyway; when wind wheel Moment surpasses limit value; the axial force producing while making wind wheel transmission shaft 4 or working machine transmission shaft 6 be subject to slant gear transmission or spring-force driven dual and automatically connect with coupling arrangement 5 disconnections; thereby play protection working machine object, avoid it and under large load, work and be damaged.
As shown in Figure 2, when windless condition wind wheel is static, wind wheel transmission shaft 4 self gravitations are G1, and working machine transmission shaft 6 self gravitations are G3.Stressed the F=k*L '=G1+G3 of spring 7, k is the elasticity coefficient of spring 7, selects suitable spring 7 to make k*L=G1.The wind speed V wind max that set basis is limited calculates corresponding Famax, and regulates the gravity G1 that connects wind wheel transmission shaft to make Famax=G1.
When F axle direction is vertically upward time; if F axle >F axle max; total stress value of wind wheel transmission shaft 4 is F axle-G1; and identical with F axle direction, vertically upward; thereby cause wind wheel transmission shaft 4 upward slidings, last round key A10 skids off the square keyway A11 in coupling arrangement 5, disconnects and connecting; working machine quits work, and realizes protection mechanism.
When F axle direction is vertically downward time, spring 7 receives that compression moves downward with the transmission device 6 of working machine mounted thereto downwards.The power that spring is received is: and F spring=k* (L '+△ L)=G1+G3+F axle, △ L is the distance that the transmission device 6 of spring 7 and working machine moves down.When F axle=F axle max: △ L=L, the round key B14 on the transmission device 6 of working machine just in time skids off the square keyway B12 in coupling arrangement 5, disconnects and connecting, and working machine quits work, and realizes protection mechanism.
Working procedure of the present utility model is as follows:
When slant gear transmission makes wind wheel transmission shaft 4 produce the axial force making progress; when this axial force is greater than wind wheel transmission shaft 4 self gravitation; wind wheel transmission shaft 4 self is subject to making a concerted effort and move up vertically upward; the round key A10 of last wind wheel transmission shaft 4 skids off the square keyway A11 in coupling arrangement 5; whole transmission joint disconnects; working machine quits work, and realizes protection mechanism.And on wind wheel transmission shaft 4 boss in addition, to prevent that wind wheel transmission shaft 4 is because of the excessive casing 15 that flies out that moves up.
Wind wheel transmission shaft 4 is placed perpendicular to ground, when slant gear transmission makes wind wheel transmission shaft 4 produce the axial force perpendicular to ground, working machine transmission shaft 6 is subject to self gravitation, axial force vertically downward and gravity that the spring force vertically upward that spring 7 gives and wind wheel transmission shaft 4 give, along with the increase of wind-force axial force vertically downward constantly increases, when reaching set limit, the suffered resultant direction of working machine transmission shaft 6 moves downward downwards, the round key B14 of last working machine transmission shaft 6 skids off the square keyway D12 in coupling arrangement 5, whole transmission joint disconnects, working machine 18 quits work, realize protection mechanism.
Claims (3)
1. a wind energy vertical-transmission system protection device, comprise wind wheel (1), working machine transmission shaft (6), keyway A(9 with wind wheel rotatingshaft (2)), casing (15), it is characterized in that: also comprise large helical gear (3), wind wheel transmission shaft (4), coupling arrangement (5), elastic supporting member for supporting optical member (7), boss (8), keyway A(9), round key A(10), square keyway C(11), square keyway D(12), keyway B(13), round key B(14); The bevel pinion (16) being assemblied on wind wheel rotatingshaft (2) is intermeshing with the large helical gear (3) being assemblied on wind wheel transmission shaft (4); By wind wheel rotatingshaft (2), bevel pinion (16) is installed; In the upper one end away from large helical gear (3) of wind wheel transmission shaft (4), be provided with keyway A(9), round key A(10) with keyway A(9) coordinate, and pass through keyway A(9) connect with wind wheel transmission shaft (4); Casing (15) is fixed on ground, with the working machine (18) of working machine transmission shaft (6), by elastic supporting member for supporting optical member (7), connects with casing (15); At working machine transmission shaft (6), away from the one end being connected with elastic supporting member for supporting optical member (7), offer keyway B(13), round key B(14) with keyway B(13) coordinate; By with connect working machine transmission shaft (6) and connect, one end of coupling arrangement (5) offers and key A(10) the square keyway C(11 that matches), the other end offers and round key B(14) the keyway D(12 that matches); Wind wheel transmission shaft (4) and working machine transmission device (6) and square keyway C(11), square keyway D(12) coordinate; It is upper that boss (8) is positioned at wind wheel transmission shaft (4), in large helical gear (3) and keyway A(9) between; It is upper that L-type support (17) one end is fixed on casing (15), and the other end is suspended from position between boss (8) and large helical gear (3).
2. a wind energy vertical-transmission system protection device as claimed in claim 1, is characterized in that: described elastic supporting member for supporting optical member (7) can be spring (7).
3. a wind energy vertical-transmission system protection device as claimed in claim 1, is characterized in that: described large helical gear (3) is big column helical gear or large circular cone helical gear; Described bevel pinion (16) is small column helical gear or conicle helical gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320372635.5U CN203430712U (en) | 2013-06-26 | 2013-06-26 | Protection device of wind energy vertical drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320372635.5U CN203430712U (en) | 2013-06-26 | 2013-06-26 | Protection device of wind energy vertical drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203430712U true CN203430712U (en) | 2014-02-12 |
Family
ID=50059756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320372635.5U Withdrawn - After Issue CN203430712U (en) | 2013-06-26 | 2013-06-26 | Protection device of wind energy vertical drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203430712U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306908A (en) * | 2013-06-26 | 2013-09-18 | 江苏大学 | Protecting device of wind energy perpendicular transmission system |
-
2013
- 2013-06-26 CN CN201320372635.5U patent/CN203430712U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306908A (en) * | 2013-06-26 | 2013-09-18 | 江苏大学 | Protecting device of wind energy perpendicular transmission system |
| CN103306908B (en) * | 2013-06-26 | 2015-03-04 | 江苏大学 | Protecting device of wind energy perpendicular transmission system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140212 Effective date of abandoning: 20150304 |
|
| RGAV | Abandon patent right to avoid regrant |